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Finding the Fourth Proportional to 167,658.35, 251,518.62 and 55,346.39

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Solution

The fourth proportional to 167,658.35, 251,518.62 and 55,346.39 is: 83,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,658.35 : 251,518.62 = 55,346.39 : x
  2. Step 2: Convert to fraction form
    167,658.35/251,518.62 = 55,346.39/x
  3. Step 3: Cross multiply
    167,658.35x = 251,518.62 × 55,346.39
  4. Step 4: Simplify right side
    167,658.35x = 13,920,647,634.78
  5. Step 5: Solve for x
    x = 13,920,647,634.78/167,658.35
  6. Step 6: Final answer
    x = 83,029.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.